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Finding the Fourth Proportional to 161,348.70, 242,017.56 and 61,505.28

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Solution

The fourth proportional to 161,348.70, 242,017.56 and 61,505.28 is: 92,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,348.70 : 242,017.56 = 61,505.28 : x
  2. Step 2: Convert to fraction form
    161,348.70/242,017.56 = 61,505.28/x
  3. Step 3: Cross multiply
    161,348.70x = 242,017.56 × 61,505.28
  4. Step 4: Simplify right side
    161,348.70x = 14,885,357,792.72
  5. Step 5: Solve for x
    x = 14,885,357,792.72/161,348.70
  6. Step 6: Final answer
    x = 92,255.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.